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[Experimental study on closing the firearm injured soft tissue defect by skin stretch]
1Plastic Surgery Center, Xijing Hospital, Fourth Military Medical University, Xi'an Shanxi, P. R. China 710032.
Objective:
To investigate the availability and effect of skin stretch in closing the firearm injured soft tissue defect.
Methods:
Eight white pigs with firearm injured soft tissue defect were divided into 3 groups. Each group I and group II had 3 pigs which were performed skin stretch. The control group had 2 pigs without stretch. The average diameter of the defect in three groups was (7.3 +/- 0.2) cm, (9.1 +/- 0.3) cm, (7.3 +/- 0.2) cm respectively, and the site of defect was on the lateral thigh and buttock.
Results:
Skin stretch could make a visible reduction of the wound. It was possible to close the wound by direct traction when the diameter of the buttock wound was less than 7 cm, and when the diameter of the lateral thigh wound was less than the radius of thigh. The skin stretch should not last more than 7 days and the best effect appeared in 4 to 5 days after performing the skin stretch.
Conclusion:
The skin stretch can be applied in the repair of the firearm injured soft tissue defect. It has many advantage compared with the tradtional treatment.